Is abuse anomalous â or an inevitable part of human nature? If the former â is it the outcome of flawed genetics, nurture (environment and upbringing) â or both? Can it be "cured" â or merely modified, regulated, and accommodated? There are three groups of theories â three schools â regarding abusers and their conduct.
(From the book "Malignant Self-love: Narcissism Revisited" by Sam Vaknin - Click on this link to purchase the print book, or 16 e-books, or 2 DVDs with 12 hours of video lectures on narcissists, psychopaths, and abuse in relationships: http://www.narcissistic-abuse.com/thebook.html)